The Big Bang produced hydrogen and helium. All the other elements have been produced by nuclear fusion reactions in stars and supernova explosions.

More massive stars than the Sun have a very different life cycle and follow the right hand ... rightarrow\) \({supernova}\rightarrow{neutron~star,~or~a~black~hole~(depending~on~size)}\) ...

Astronomers studying the aftermath of a supernova explosion ... this body remains as a star that is likened to a "zombie," as ...